Abstract. The chronological table of Atlantic basin tropical cyclones produced by Andrés Poey in 1855 is the foundation stone for present-day knowledge of historical Atlantic tropical cyclone activity. Subsequent researchers have used his table and built upon it, rejecting some of his entries, modifying others, and accepting the rest. A re-analysis of the 1700-1855 portion of Poey's original published list was made using historical newspaper accounts, weather diaries, and ships' logbooks. Of the 348 separate entries in Poey's original list, 149 were rejected and 198 accepted. Due to errors in dating and location, and the linking of separate entries as parts of the same storm, only 170 of the 198 accepted entries are unique storms. Thirteen undated storms of the remaining 170 are now dated. The authorities cited by Poey vary in their reliability. Of those cited 10 or more times, there was an average of one incorrect citation for every 3.1 correct citations. The most and least reliable authorities used by Poey are identified. An updated corrected chronology from all published sources is presented and includes 383 unique storms through 1855.

[1] The most comprehensive and longest document-based time series of tropical cyclone activity for any area of the world is presented for the Atlantic and Caribbean region of the Lesser Antilles for the years 1690-2007. Newspaper accounts, ships' logbooks, meteorological journals, and other document sources were used to create this new data set, and a new methodology was applied for classifying historical tropical cyclone intensity. This compilation estimates the position and intensity of each tropical cyclone that passes through the 61.5°W meridian from the coast of South America northward through 25.0°N. The additional resources used here fills in gaps in the HURDAT record, which undercounts tropical storms and hurricanes by 28% (7%) in the years 1851-1898 (1899-1930) over populated islands from 12 to 18°N. The numbers of tropical cyclones show no trends that were significant at the 5% level. The time span 1968-1977 was probably the most inactive period since the islands were settled in the 1620s and 1630s.

Abstract. A new data set of global marine air temperature data for the years 1807-1827 is used to show the impact of volcanic eruptions in-1809 (unlocated) and 1815 (Tambora, Indonesia). Both eruptions produced cooling exceeding that after Krakatoa, Indonesia (1883) and Pinatubo, Philippines (199 !). The ---1809 eruption is dated to March-June 1808 based on a sudden cooling in Malaysian temperature data and maximum cooling of marine air temperature in 1809. Two large-scale calibrated proxy temperature records, one from tree-ring-density data, the other using multi-proxy sources are compared to the marine air temperature data. Correlation is highest with maximum latewood density data and lowest with the multi-proxy data. Data and ResultsThe annual temperature anomalies (Fig. 2)

A reanalysis of the Atlantic basin tropical storm and hurricane database (''best track'') for the period from 1921 to 1930 has been completed. This reassessment of the main archive for tropical cyclones of the North Atlantic Ocean, Caribbean Sea, and Gulf of Mexico was necessary to correct systematic biases and random errors in the data as well as to search for previously unrecognized systems. The methodology for the reanalysis process for revising the track and intensity of tropical cyclone data has been detailed in a previous paper on the reanalysis. The 1921-30 dataset now includes several new tropical cyclones, excludes one system previously considered a tropical storm, makes generally large alterations in the intensity estimates of most tropical cyclones (both toward stronger and weaker intensities), and typically adjusts existing tracks with minor corrections. Average uncertainty in intensity and track values is estimated for both open-ocean conditions as well as landfalling systems. Highlights are given for changes to the more significant hurricanes to impact the United States, Central America, and the Caribbean for this decade.

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